Password Grid for iOS has been updated on the App Store.
Changes for 1.0.5:
-iOS 5 compatibility
-updated user interface (icon, colors)
-hide converted text after 1 minute, for security
-shake to clear converted text
-interface sounds (can be disabled)
-tweaks to rating alert
-other bug fixes
Thanks for your bug reports and feedback!
(What is Password Grid? More info here)